World's Greatest Grill All-American Makers : Season 2 Episode 8
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Aired: January 27th, 2016 @ 12:00 AM EST on Science
Brook and Brian help Marc vet four new products: a ratchet tool that gives you 5x the power with 5x the speed, an efficient portable solar cooker, the safest boat in the world and an archery training system that works without firing an arrow.